Home / 10,997.45-15,176.29-6,217.31

Finding the Fourth Proportional to 10,997.45, 15,176.29 and 6,217.31

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Solution

The fourth proportional to 10,997.45, 15,176.29 and 6,217.31 is: 8,579.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.45 : 15,176.29 = 6,217.31 : x
  2. Step 2: Convert to fraction form
    10,997.45/15,176.29 = 6,217.31/x
  3. Step 3: Cross multiply
    10,997.45x = 15,176.29 × 6,217.31
  4. Step 4: Simplify right side
    10,997.45x = 94,355,699.58
  5. Step 5: Solve for x
    x = 94,355,699.58/10,997.45
  6. Step 6: Final answer
    x = 8,579.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.